Home / 6,811.86-10,219.62-2,430.57

Finding the Fourth Proportional to 6,811.86, 10,219.62 and 2,430.57

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Solution

The fourth proportional to 6,811.86, 10,219.62 and 2,430.57 is: 3,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.86 : 10,219.62 = 2,430.57 : x
  2. Step 2: Convert to fraction form
    6,811.86/10,219.62 = 2,430.57/x
  3. Step 3: Cross multiply
    6,811.86x = 10,219.62 × 2,430.57
  4. Step 4: Simplify right side
    6,811.86x = 24,839,501.78
  5. Step 5: Solve for x
    x = 24,839,501.78/6,811.86
  6. Step 6: Final answer
    x = 3,646.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.